Who is the main character in One Piece?

The main character in One Piece is Monkey D. Luffy, the captain of the Straw Hat Pirates. Luffy is an adventurous and determined young pirate with a dream to become the Pirate King and find the legendary treasure known as One Piece. His distinctive characteristics, such as his rubber powers acquired from eating a Devil Fruit, his unwavering loyalty to his friends, and his strong moral compass, make him the central focus of the story. Throughout the series, Luffy's journey and growth drive the narrative as he assembles a diverse crew, takes on powerful foes, and navigates the vast world of pirates and treasure, making him the undeniable protagonist of One Piece.